Chromium -> Mojo roll.

base/stl_util.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Derived from google3/util/gtl/stl_util.h
 
 #ifndef BASE_STL_UTIL_H_
 #define BASE_STL_UTIL_H_
 
 #include <algorithm>
@@ skipping 130 matching lines @@
   container->clear();
 }
 
 // Given an STL container consisting of (key, value) pairs, STLDeleteValues
 // deletes all the "value" components and clears the container.  Does nothing
 // in the case it's given a NULL pointer.
 template <class T>
 void STLDeleteValues(T* container) {
   if (!container)
     return;
-  for (typename T::iterator i(container->begin()); i != container->end(); ++i)
-    delete i->second;
+  STLDeleteContainerPairSecondPointers(container->begin(), container->end());
   container->clear();
 }
 
 
 // The following classes provide a convenient way to delete all elements or
 // values from STL containers when they goes out of scope.  This greatly
 // simplifies code that creates temporary objects and has multiple return
 // statements.  Example:
 //
 // vector<MyProto *> tmp_proto;
@@ skipping 88 matching lines @@
 bool STLIncludes(const Arg1& a1, const Arg2& a2) {
   DCHECK(STLIsSorted(a1));
   DCHECK(STLIsSorted(a2));
   return std::includes(a1.begin(), a1.end(),
                        a2.begin(), a2.end());
 }
 
 }  // namespace base
 
 #endif  // BASE_STL_UTIL_H_